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2025-12-07 - 08:30
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: ondemand
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot4.osadl.org (updated Sun Dec 07, 2025 00:44:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22451212663,7sleep20-21swapper/219:09:562
21763211372,8sleep10-21swapper/119:05:261
22174211099,6sleep00-21swapper/019:06:200
22202210898,7sleep30-21swapper/319:06:443
257452630,0sleep00-21swapper/000:30:590
175332580,0sleep10-21swapper/100:27:161
165712570,0sleep20-21swapper/222:01:402
127022570,0sleep30-21swapper/323:05:183
210482560,0sleep121053-21kthreadcore20:25:191
2263599324,11cyclictest0-21swapper/222:59:192
2263599300,3cyclictest0-21swapper/221:12:262
22635992916,4cyclictest0-21swapper/222:19:382
2263599291,27cyclictest0-21swapper/221:19:232
2263599290,25cyclictest0-21swapper/222:07:332
2263599290,16cyclictest0-21swapper/222:28:042
22635992817,7cyclictest10272-21snmpd21:31:392
22635992816,4cyclictest0-21swapper/223:40:012
22635992816,11cyclictest0-21swapper/223:38:322
22635992815,10cyclictest0-21swapper/200:25:362
2263599280,2cyclictest0-21swapper/223:48:222
2263599280,21cyclictest0-21swapper/222:51:342
309772270,0sleep00-21swapper/000:17:380
2263599276,12cyclictest0-21swapper/222:35:392
2263599273,18cyclictest0-21swapper/222:30:162
22635992715,4cyclictest31385-21ssh21:36:372
2263599270,2cyclictest0-21swapper/223:58:392
2263599270,26cyclictest0-21swapper/220:47:522
2263599270,20cyclictest0-21swapper/222:11:232
2263299270,26cyclictest0-21swapper/121:38:301
22635992618,7cyclictest10272-21snmpd23:27:192
22635992617,8cyclictest10272-21snmpd23:06:312
2263599260,3cyclictest0-21swapper/200:07:092
2263599260,21cyclictest0-21swapper/223:12:552
2263599260,20cyclictest0-21swapper/200:15:552
2263599254,15cyclictest0-21swapper/221:45:162
22635992517,7cyclictest10272-21snmpd22:42:072
22635992517,6cyclictest15617-21lldpd00:00:532
22635992516,8cyclictest10272-21snmpd23:22:372
22635992516,6cyclictest10272-21snmpd23:16:552
2263599250,2cyclictest0-21swapper/220:01:592
2263599250,23cyclictest0-21swapper/223:34:252
2263599250,21cyclictest0-21swapper/200:20:542
2263599250,13cyclictest0-21swapper/219:30:142
2263299250,24cyclictest0-21swapper/123:28:311
2263299250,24cyclictest0-21swapper/119:58:591
2263299250,24cyclictest0-21swapper/100:16:351
2263599244,15cyclictest0-21swapper/223:03:292
22635992422,1cyclictest0-21swapper/221:41:392
22635992418,5cyclictest10272-21snmpd21:29:032
22635992417,6cyclictest10272-21snmpd21:01:022
22635992417,6cyclictest10272-21snmpd20:18:172
22635992417,6cyclictest10272-21snmpd19:16:172
22635992416,6cyclictest10272-21snmpd00:37:262
2263599240,4cyclictest0-21swapper/223:50:052
2263599240,20cyclictest0-21swapper/221:21:002
2263599240,17cyclictest0-21swapper/200:12:462
2263299242,21cyclictest0-21swapper/121:32:451
2263299242,21cyclictest0-21swapper/100:07:391
2263299240,23cyclictest0-21swapper/123:12:501
2263299240,23cyclictest0-21swapper/122:56:121
2263299240,23cyclictest0-21swapper/122:43:121
2263299240,23cyclictest0-21swapper/122:11:111
2263299240,23cyclictest0-21swapper/122:00:541
2263299240,23cyclictest0-21swapper/100:13:301
2263299240,18cyclictest0-21swapper/123:32:101
2263299240,18cyclictest0-21swapper/123:05:511
2263299240,18cyclictest0-21swapper/100:37:471
2263099240,23cyclictest0-21swapper/022:20:540
2263599232,15cyclictest0-21swapper/200:33:352
22635992315,7cyclictest10272-21snmpd20:31:262
22635992310,10cyclictest0-21swapper/221:51:072
2263599230,17cyclictest0-21swapper/221:55:262
2263599230,16cyclictest0-21swapper/222:47:422
2263299232,20cyclictest0-21swapper/100:21:101
2263299230,22cyclictest0-21swapper/123:47:501
2263299230,22cyclictest0-21swapper/123:20:371
2263299230,22cyclictest0-21swapper/123:00:201
2263299230,22cyclictest0-21swapper/122:20:291
2263299230,22cyclictest0-21swapper/122:05:181
2263299230,22cyclictest0-21swapper/121:48:151
2263299230,22cyclictest0-21swapper/121:28:271
2263299230,22cyclictest0-21swapper/120:43:171
2263099230,22cyclictest0-21swapper/023:34:340
2263099230,22cyclictest0-21swapper/022:53:390
2263099230,22cyclictest0-21swapper/021:52:320
2263099230,22cyclictest0-21swapper/021:35:500
2263099230,22cyclictest0-21swapper/021:26:170
2263099230,22cyclictest0-21swapper/000:12:100
2263099230,17cyclictest0-21swapper/023:54:350
22635992220,1cyclictest0-21swapper/219:55:192
22635992215,6cyclictest10272-21snmpd19:26:082
22635992215,6cyclictest10272-21snmpd19:12:142
22635992214,7cyclictest10272-21snmpd21:07:322
2263599220,16cyclictest0-21swapper/219:20:202
2263299226,15cyclictest0-21swapper/100:03:311
22632992220,2cyclictest0-21swapper/120:54:321
2263299220,21cyclictest0-21swapper/122:49:031
2263299220,21cyclictest0-21swapper/122:30:131
2263299220,21cyclictest0-21swapper/121:20:581
2263299220,21cyclictest0-21swapper/121:13:181
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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